mirror/oot
1
0
Fork 0
mirror of https://github.com/zeldaret/oot synced 2026-06-06 03:38:24 -04:00
Code Issues Packages Projects Releases Wiki Activity

libultra cleanup (#215)

Browse Source 
* cleanup libultra

* fixes

- use quotes instead of <> for includes
- add macros for zelda specific thread priorities
- fix Makefile
- properly format the remaining pfs structs

* fix button macros + add CHECK_BTN_ANY/CHECK_BTN_ALL

* remove ULTRA_ABS

* fix includes

* update z_player.c/z_lib.c + run format.sh

* merge upstream/master

* fix include in En_Goroiwa

* fix includes
This commit is contained in:
Random
2020-10-03 17:22:44 +02:00
committed by GitHub
parent 6136ee6deb
commit 174af7384d
890 changed files with 2628 additions and 5625 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libultra_code_O2/guLookAt.c
+61
View File
@@ -0,0 +1,61 @@
#include "global.h"
void guLookAtF(f32 mf[4][4], f32 xEye, f32 yEye, f32 zEye, f32 xAt, f32 yAt, f32 zAt, f32 xUp, f32 yUp, f32 zUp) {
f32 length;
f32 xLook, yLook, zLook;
f32 xRight, yRight, zRight;
guMtxIdentF(mf);
xLook = xAt - xEye;
yLook = yAt - yEye;
zLook = zAt - zEye;
length = -1.0 / sqrtf(SQ(xLook) + SQ(yLook) + SQ(zLook));
xLook *= length;
yLook *= length;
zLook *= length;
xRight = yUp * zLook - zUp * yLook;
yRight = zUp * xLook - xUp * zLook;
zRight = xUp * yLook - yUp * xLook;
length = 1.0 / sqrtf(SQ(xRight) + SQ(yRight) + SQ(zRight));
xRight *= length;
yRight *= length;
zRight *= length;
xUp = yLook * zRight - zLook * yRight;
yUp = zLook * xRight - xLook * zRight;
zUp = xLook * yRight - yLook * xRight;
length = 1.0 / sqrtf(SQ(xUp) + SQ(yUp) + SQ(zUp));
xUp *= length;
yUp *= length;
zUp *= length;
mf[0][0] = xRight;
mf[1][0] = yRight;
mf[2][0] = zRight;
mf[3][0] = -(xEye * xRight + yEye * yRight + zEye * zRight);
mf[0][1] = xUp;
mf[1][1] = yUp;
mf[2][1] = zUp;
mf[3][1] = -(xEye * xUp + yEye * yUp + zEye * zUp);
mf[0][2] = xLook;
mf[1][2] = yLook;
mf[2][2] = zLook;
mf[3][2] = -(xEye * xLook + yEye * yLook + zEye * zLook);
mf[0][3] = 0;
mf[1][3] = 0;
mf[2][3] = 0;
mf[3][3] = 1;
}
void guLookAt(Mtx* m, f32 xEye, f32 yEye, f32 zEye, f32 xAt, f32 yAt, f32 zAt, f32 xUp, f32 yUp, f32 zUp) {
f32 mf[4][4];
guLookAtF(mf, xEye, yEye, zEye, xAt, yAt, zAt, xUp, yUp, zUp);
guMtxF2L(mf, m);
}